Sudoku Master

Sudoku game you will never run out of puzzles again!
• Infinite number of Sudoku games by random generation of puzzles
• Fully usable offline
• 4 difficulty levels: from EASY to VERY HARD
• Notes as on paper possible for each field
• Automatic saving & loading of the game state
• Achievements and leaderboards using Google Play Games
• Free and offline
• Optimized for Smartphone and Tablet

Optional help functions:
• Input buttons are dimmed when a number is used 9 times (or more)
• Automatic checking whether the newly entered number is correct
• Highlighting of row, column and box of the currently selected field
• Highlighting of all fields which have the same value as the currently selected input button